Two PHP web-based message boards exist at Zend, including one that focuses on general PHP questions of all flavors and one that is specific to the Zend Optimizer for PHP.
A web design forum for developers with many languages covered.
Weborum forums have several sections including a growing PHP tutorial section, several scripts, and a PHP questions and answers board.
A forum for PHP and serverside chat, with a large community and many PHP experts.
Talk about scripts, rate PHP scripts, get your script reviewed, post your offers and more.
Sitepoint is a community of webmasters willing to help anyone out with their coding problems or questions. The PHP section of their forum is particularly useful.
This site includes a forum specifically for PHP applications in web design as well as two dedicated to posting/acquiring jobs.
Talk about anything PHP related.
A PHP programmers community.
This board at PHP World is for discussions of all PHP related topics. | 
